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Books > Science & Mathematics > Science: general issues > Popular science

From Stars To Stalagmites: How Everything Connects (Hardcover): Paul S. Braterman From Stars To Stalagmites: How Everything Connects (Hardcover)
Paul S. Braterman
R1,423 Discovery Miles 14 230 Ships in 10 - 15 working days

Feynman once selected, as the single most important statement in science, that everything is made of atoms. It follows that the properties of everything depend on how these atoms are joined together, giving rise to the vast field we know of today as chemistry. In this unique book specifically written to bridge the gap between chemistry and the layman, Braterman has put together a series of linked essays on chemistry related themes that are particularly engaging.The book begins with the age of the earth, and concludes with the life cycle of stars. In between, there are atoms old and new, the ozone hole mystery and how it was solved, synthetic fertilisers and explosives, reading the climate record, the extraction of metals, the wetness of water, and how the greenhouse effect on climate really works. A chapter in praise of uncertainty leads on to the "fuzziness" and sharing of electrons, and from there to molecular shape, grass-green and blood-red, the wetness of water, and molecular recognition as the basis of life.Organised in such a way as to illustrate and develop underlying principles and approaches, this book will appeal to anyone interested in chemistry, as well as its history and key personalities. Where many other titles have failed, this book succeeds brilliantly in capturing the spirit and essence of chemistry and delivering the science in easily digestible terms.

Destination Mars - New Explorations of the Red Planet (Paperback): Rod Pyle Destination Mars - New Explorations of the Red Planet (Paperback)
Rod Pyle; Foreword by Robert Manning
R480 Discovery Miles 4 800 Ships in 18 - 22 working days

In the next decade, NASA, by itself and in collaboration with the European Space Agency, is planning a minimum of four separate missions to Mars. Clearly, exciting times are ahead for Mars exploration. This is an insider's look into the amazing projects now being developed here and abroad to visit the legendary red planet. Drawing on his contacts at NASA and the Jet Propulsion Laboratory, the author provides stunning insights into the history of Mars exploration and the difficulties and dangers of traveling there.
After an entertaining survey of the human fascination with Mars over the centuries, the author offers an introduction to the geography, geology, and water processes of the planet. He then briefly describes the many successful missions by NASA and others to that distant world. But failure and frustration also get their due. As the author makes clear, going to Mars is not, and never will be, easy. Later in the book, he describes in detail what each upcoming mission will involve.
In the second half of the book, he offers the reader a glimpse inside the world of Earth-based "Mars analogs," places on Earth where scientists are conducting research in hostile environments that are eerily "Martian." Finally, he constructs a probable scenario of a crewed expedition to Mars, so that readers can see how earlier robotic missions and human Earth simulations will fit together.
All this is punctuated by numerous firsthand interviews with some of the finest Mars explorers of our day, including Stephen Squyres (Mars Exploration Rover), Bruce Murray (former director of the Jet Propulsion Laboratory), and Peter Smith (chief of the Mars Phoenix Lander and the upcoming OSIRIS-REx missions). These stellar individuals give us an insider's view of the difficulties and rewards of roaming the red planet.
The author's infectious enthusiasm and firsthand knowledge of the international space industry combine to make a uniquely appealing and accessible book about Mars.

Illuminating Disease - An Introduction to Green Fluorescent Proteins (Hardcover): Marc Zimmer Illuminating Disease - An Introduction to Green Fluorescent Proteins (Hardcover)
Marc Zimmer
R1,324 Discovery Miles 13 240 Ships in 10 - 15 working days

Since scientists began experimenting with green fluorescent proteins in the middle of the 1990s, these proteins have become one of the most important tools available to researchers in modern medicine and biology. By using them to illuminate other proteins that were previously invisible even under microscope, scientists are now able to observe facets of disease that would have otherwise gone undetected. Green fluorescent proteins are a part of over three million experiments a year, and are invaluable for tasks such as tracking HIV, breeding bird flu-resistant chickens, and confirming the existence of cancerous stem cells. In Illuminating Disease, Marc Zimmer introduces us to these revolutionary proteins, acquainting readers both with the researchers responsible for the proteins' discovery as well as their wide utility. The book details the history of genetically modified fluorescent parasites and viruses, which provide scientists with new information about the spread of diseases. Green fluorescent proteins have played crucial roles in the research of malaria, AIDS/HIV, swine and bird flu, dengue, cancer, and chagas. They allow scientists and doctors to understand these diseases better, by quite literally illuminating various microscopic pieces that otherwise would have gone unseen. The book is richly illustrated, showing the many visually striking uses of GFP. Many of these scans have won awards in biological imaging competitions. Illuminating Disease is an accessible and illustrated introduction to one of the most important developments in medical research of the last several decades.

Evolving - The Human Effect and Why it Matters (Paperback): Daniel J Fairbanks Evolving - The Human Effect and Why it Matters (Paperback)
Daniel J Fairbanks
R471 Discovery Miles 4 710 Ships in 18 - 22 working days

This is a compelling exploration of how our understanding of evolution is key to the future of our planet. When Charles Darwin started writing his work On "Origin of Species", he could hardly have envisioned how much we would discover about the origin of life over the next 150 years. Today's evidence points to an inescapable and simple conclusion - we evolved and we are still evolving. This persuasive and elegant book, argues that understanding evolution has never mattered more in human history. It explains in detail how health, food production, and human impact on the environment are dependent on our knowledge of evolution.

Tribal Science - Brains, Beliefs, and Bad Ideas (Paperback): Mike McRae Tribal Science - Brains, Beliefs, and Bad Ideas (Paperback)
Mike McRae
R403 Discovery Miles 4 030 Ships in 18 - 22 working days

Human beings evolved in a tribal environment. Over the millennia, our brains have become adept at fostering social networks that are the basis of group cohesion, from the primary family unit to the extended associations of clans, villages, cities, and nations. This essential social component of our behavior gave the human species distinct survival advantages in coping with the challenges of an often-hostile environment.
This book examines the many ways in which our tribally oriented brains perceive and sometimes distort reality. The author describes how our social nature led to the development of cognitive tricks that have served us so well as a social species. Some examples are our habit of imposing patterns on random phenomena, of weaving entertaining narratives to explain the mysteries of the universe, and of favoring the biases of group think. Luckily, we also stumbled upon science, which McRae views as a fortuitous accident. With this new technique, humans had discovered a method of objectively evaluating the accuracy of our traditional tribal notions. Even more important, the scientific method proved to be self-correcting, allowing us to weed out the bad ideas from those that really work.
McRae argues that science is our most successful social enterprise to date. Through the sharing of scientific ideas, our species has expanded the reach of the tribal community to a global scale. Our problems may be bigger than ever, but science gives us a sure basis in reality and the best method of facing the daunting challenges of the future.

Gene Machine - The Race to Decipher the Secrets of the Ribosome (Paperback): Venki Ramakrishnan Gene Machine - The Race to Decipher the Secrets of the Ribosome (Paperback)
Venki Ramakrishnan 1
R370 R336 Discovery Miles 3 360 Save R34 (9%) Ships in 9 - 17 working days

From Nobel Prize winner Venki Ramakrishnan 'Beyond superb' Bill Bryson 'A wonderful book' Ian McEwan Everyone knows about DNA, the essence of our being, the molecule where our genes reside. But DNA by itself is useless without a machine to decode the genetic information it contains. The ribosome is that machine. Venki Ramakrishnan tells the story of the race to uncover its enormously complex structure, a fundamental breakthrough that resolves an ancient mystery of life itself.

Conversations With Opa (Paperback): J. Q. Kansil Conversations With Opa (Paperback)
J. Q. Kansil
R378 Discovery Miles 3 780 Ships in 18 - 22 working days

"Where did everything come from, Opa? I mean the stars, the planets, and life on Earth. What are the origins of the Universe?"
So begins this charming cross-generational dialogue featuring Quintana, a curious young girl, and Albert, her wise and worldly octogenarian godfather, whom she calls Opa (Grandfather). In an engaging give-and-take, Quintana and Albert cover many deep topics, from the origin and nature of the universe and how life began on Earth, to questions about morality, religion, science, happiness, human progress, the future outlook for humankind, and even death.
This books is sure to spark dynamic conversations and the curiosity of all readers.

Concrete Planet (Hardcover, New): Robert Courland Concrete Planet (Hardcover, New)
Robert Courland
R972 R911 Discovery Miles 9 110 Save R61 (6%) Ships in 18 - 22 working days

Concrete: We use it for our buildings, bridges, dams, and roads. We walk on it, drive on it, and many of us live and work within its walls. But very few of us know what it is. We take for granted this ubiquitous substance, which both literally and figuratively comprises much of modern civilization's constructed environment; yet the story of its creation and development features a cast of fascinating characters and remarkable historical episodes. This book delves into this history, opening readers' eyes at every turn.
In a lively narrative peppered with intriguing details, author Robert Corland describes how some of the most famous personalities of history became involved in the development and use of concrete--including King Herod the Great of Judea, the Roman emperor Hadrian, Thomas Edison (who once owned the largest concrete cement plant in the world), and architect Frank Lloyd Wright. Courland points to recent archaeological evidence suggesting that the discovery of concrete directly led to the Neolithic Revolution and the rise of the earliest civilizations. Much later, the Romans reached extraordinarily high standards for concrete production, showcasing their achievement in iconic buildings like the Coliseum and the Pantheon. Amazingly, with the fall of the Roman Empire, the secrets of concrete manufacturing were lost for over a millennium.
The author explains that when concrete was rediscovered in the late eighteenth century it was initially viewed as an interesting novelty or, at best, a specialized building material suitable only for a narrow range of applications. It was only toward the end of the nineteenth century that the use of concrete exploded. During this rapid expansion, industry lobbyists tried to disguise the fact that modern concrete had certain defects and critical shortcomings. It is now recognized that modern concrete, unlike its Roman predecessor, gradually disintegrates with age. Compounding this problem is another distressing fact: the manufacture of concrete cement is a major contributor to global warming.
"Concrete Planet" is filled with incredible stories, fascinating characters, surprising facts, and an array of intriguing insights into the building material that forms the basis of the infrastructure on which we depend.

Denying Science - Conspiracy Theories, Media Distortions, and the War Against Reality (Hardcover): John Grant Denying Science - Conspiracy Theories, Media Distortions, and the War Against Reality (Hardcover)
John Grant
R600 Discovery Miles 6 000 Ships in 18 - 22 working days

Is global warming just scaremongering by climatologists conspiring to protect their jobs? Is evolution "just a theory"? Is autism caused by vaccinations? The answer to all of these questions is, of course, no. The scientific evidence is now in, and it's conclusive, on these and many more issues that are fundamental to our knowledge and wellbeing. But you'd never know this if all of your information came from the popular media or your upbringing and immediate circle of influence didn't include critical thinking and basic scientific literacy.
As this witty book with a very serious message shows, our culture has in recent decades been characterized by a widespread antagonism toward science and the not-always-welcome messages it brings. Large sections of the supposedly sophisticated populations in the developed nations are in an active state of denial. Not only do they deny scientific evidence but they also call into question the very competence of science as a descriptor of reality. In short, they deny reality.
The author surveys the gamut of clearly unscientific ideas concerning the food we eat, the medicines and potions we are either afraid of or advised to take, our sex preferences, and a host of other issues that are raised by various panics, urban legends, and a general climate of misinformation. He also examines how special interests, from agribusiness to pharmaceutical companies to creationists, actively work to distort or suppress scientific findings. While the tendency may be to laugh at some of the ridiculous notions catalogued in the author's overview of bogus ideas, the overall picture he creates is anything but funny.
This book reminds the reader that the future of free, increasingly complex societies depends on an educated citizenry that is able to think clearly and critically based on reliable information.

The Elusive Wow - Searching for Extraterrestrial Intelligence (Hardcover, New): Robert H Gray The Elusive Wow - Searching for Extraterrestrial Intelligence (Hardcover, New)
Robert H Gray
R683 Discovery Miles 6 830 Ships in 10 - 15 working days

"The Elusive Wow" tells the story of the Wow signal-one of the most intriguing radio signals ever seen by searches for broadcasts from the stars. Author Robert Gray reports on the original detection and tells of his searches for the signal, showing examples of what searchers see with interstellar radios. In addition to telling the tale of the elusive signal, Gray surveys the Search for Extraterrestrial Intelligence, also known as SETI-explaining why many scientists think Others might exist on other worlds and how we might find them. Gray's scientific work has appeared in journals such as Astrophysical Journal and Icarus, and in magazines like Sky & Telescope.

Math for the Frightened - Facing Scary Symbols and Everything Else That Freaks You Out About Mathematics (Paperback): Colin Pask Math for the Frightened - Facing Scary Symbols and Everything Else That Freaks You Out About Mathematics (Paperback)
Colin Pask
R462 Discovery Miles 4 620 Ships in 18 - 22 working days

This title includes a superbly written introduction to the fascinating world of mathematical symbols, their meanings, and their uses. Mention the word mathematics and most people's reaction will be one of general bewilderment. There's something about its language of symbols and equations that many find intimidating. The result is that maths and science books for the general public usually avoid the use of symbols, meaning readers never get to fully appreciate the true power and elegance of mathematics. "Math for the Frightened" takes the opposite approach, gently introducing readers to the main concepts of mathematics and painlessly demonstrating how they are expressed as symbols, why symbols are used, and what can be achieved by doing so. If you've ever been curious about mathematics but afraid of its complexity, this book will help you overcome your fears and begin to appreciate math in all its glory.

The Joy of Physics (Paperback): Arthur W. Wiggins The Joy of Physics (Paperback)
Arthur W. Wiggins; Illustrated by Sidney Harris
R534 Discovery Miles 5 340 Ships in 18 - 22 working days

For those who have always wanted to discover the joy of physics, this is the book that they've been waiting for.
Many people remember their struggles with physics in high school and have wished for the right opportunity to gain an appreciation of this significant area of knowledge. Now is their chance not only to understand physics, but to do physics. The author provides the general reader with a fun-filled, entertaining, and truly educational tour of this all-important science.
What makes the study of physics so worthwhile? The author says that, despite its reputation for difficulty, physics has an enormously ambitious goal, which appeals to people's innate curiosity: to understand the workings of the entire universe, from the smallest quarks to the largest galaxies. Learning and comprehending as much as we can about the inner and outer workings of the universe is what evokes the joy of physics. Taking a hands-on approach, he invites the reader to share the joy. Easy, practical experiments pepper the book and connect the ideas of physics with the reality of the universe. The yo-yo, flying disc, shake flashlight, laser pointer, LED, and even a microwave experiment with an edible result add to the fun.
Complete with lively, memorable cartoons by Sidney Harris--America's premier science cartoonist--this book reveals the inherent fun, intellectual pleasure, and supreme importance of a subject that we can now finally tackle and enjoy.

An Experiment with Time (Paperback, New edition): J.W. Dunne An Experiment with Time (Paperback, New edition)
J.W. Dunne
R444 Discovery Miles 4 440 Ships in 18 - 22 working days

J.W. Dunne (1866-1949) was an accomplished English aeronautical engineer and a designer of Britian's early military aircraft. His An Experiment with Time, first published in 1927, sparked a great deal of scientific interest in--and controversy about--his new model of multidimensional time.

A series of strange, troubling precognitive dreams (including a vision of the then future catastrophic eruption of Mt. Pelee on the island of Martininque in 1902) led Dunne to re-evaluate the meaning and significance of dreams. Could dreams be a blend of memories of past and future events? What was most upsetting about his dreams was that they contradicted the accepted model of time as a series of events flowing only one way: into the future. What if time wasn't like that at all?

All of this prompted Dunne to think about time in an entirely new way. To do this, Dunne made, as he put it,"an extremely cautious" investigation in a "rather novel direction." He wanted to outline a provable way of accounting for multiple dimensions and precognition, that is, seeing events before they happen. The result was a challenging scientific theory of the "Infinite Regress," in which time, consciousness, and the universe are seen as serial, existing in four dimensions.

Astonishingly, Dunne's proposed model of time accounts for many of life's mysteries: the nature and purpose of dreams, how prophecy works, the immortality of the soul, and the existence of the all-seeing "general observer," the "Witness" behind consciousness (what is now commonly called the Higher Self).

Here in print again is the book English playwright and novelist J.B. Priestley called "one of the most fascinating, most curious, and perhaps the most important books of this age."

Ask the Right Question - A Rational Approach to Design for All in Italy (Hardcover, 1st ed. 2019): Luigi Bandini Buti Ask the Right Question - A Rational Approach to Design for All in Italy (Hardcover, 1st ed. 2019)
Luigi Bandini Buti
R1,408 Discovery Miles 14 080 Ships in 18 - 22 working days

This book offers a clear, yet comprehensive guide to how to structure a design project, focusing in particular on the key questions designers, architects, policy makers and health professionals should consider when working towards inclusion through design. The book is based on a series of lessons held by the author and his colleague Avril Accolla, whose aim was to train technicians at all levels to be capable of catering for the needs of the elderly. It clearly draws the outline of their "Ask the Right Question" approach, whose purpose is to help convey the notions in question appropriately to people with such widely different backgrounds, curricula, interests and cultures. Using a minimalist approach, based mainly on the discussion of eye-catching real-life examples placed in logical order and a crystal clear, engaging style, this book is a must-have for designers, technicians, customers and health practitioners, as well as social scientists and policy makers who deal with inclusive design at different levels and anyone interested in topics related to technological evolution and social integration.

The Genesis of Science - The Story of Greek Imagination (Hardcover): Stephen Bertman The Genesis of Science - The Story of Greek Imagination (Hardcover)
Stephen Bertman
R617 Discovery Miles 6 170 Ships in 18 - 22 working days

Historians often look to ancient Greece as the wellspring of Western civilization. Perhaps the most ingenious achievement of the Hellenic mind was the early development of the sciences. The names we give to science's many branches today--from physics and chemistry to mathematics, biology, and psychology--echo the Greek words that were first used to define these disciplines in ancient times and remain a testament to the groundbreaking discoveries of these pioneering thinkers. What was it about the Greeks, as opposed to the far older civilizations of Egypt, Mesopotamia, India, and China, that gave rise to the uniquely Western, scientific mindset? This author explores this intriguing question in this authoritative yet accessible and eloquently told story about the origins of science. Going beyond individual Greek discoveries in the various branches of science, Bertman emphasizes why these early investigators were able to achieve what they did. Among the exceptional characteristics of Greek culture that created the seedbed for early science were:
- the Greek emphasis on rationalism--a conviction that human reason could successfully unravel the mysteries of nature and make sense of the cosmos
- an early form of humanism--a pride and confidence in human potential despite the frailty and brief tenure of individual lives
- the drive to excel in every arena from the battlefield to the Olympic games and arts competitions
- an insatiable curiosity that sought understanding of both human nature and the world
- a fierce love of freedom and individualism that promoted freedom of thought--the prelude to science.
Focusing on ten different branches of science, the author shows why the Greeks gravitated to each specialty and explains the fascinating theories they developed, the brilliant experiments they performed, and the practical applications of their discoveries. He concludes by recounting how these early insights and achievements--transmitted over the course of two thousand years--have shaped the scientific attitude that is the hallmark of today's world. This lively narrative captures the Greek genius and demonstrates the indelible influence of their discoveries on modern science and technology.

Switching to Solar - What We Can Learn from Germany's Success in Hamessing Clean Energy (Paperback): Bob Johnstone Switching to Solar - What We Can Learn from Germany's Success in Hamessing Clean Energy (Paperback)
Bob Johnstone
R486 Discovery Miles 4 860 Ships in 18 - 22 working days

This is an inspiring look at how new 'alternative energy' policies are leading the way in the fight against the global energy crisis. The looming threat of global warming may be the greatest long-term challenge of the modern age. "Switching to Solar" is an inspiring and optimistic story of a green revolution in the making, exploring how the unrelenting efforts of a small band of grassroots activists have discovered ways to turn solar into a practical retail energy solution. The crucial driver for the adoption of solar energy is not technology, but policy. Focusing on initiatives in Germany, it describes the use of 'feed-in tariffs' - where those producing excess energy from solar sell to energy companies - as the most successful mechanism for driving the widespread deployment of solar energy.

Wayfinding - The Art And Science Of How We Find And Lose Our Way (Paperback): Wayfinding - The Art And Science Of How We Find And Lose Our Way (Paperback)
R299 R271 Discovery Miles 2 710 Save R28 (9%) Ships in 5 - 10 working days

The physical world is infinitely complex, yet most of us are able to find our way around it. We can walk through unfamiliar streets while maintaining a sense of direction, take shortcuts along paths we have never used and remember for many years places we have visited only once. These are remarkable achievements.

In Wayfinding, Michael Bond explores how we do it: how our brains make the ‘cognitive maps’ that keep us orientated, even in places that we don’t know. He considers how we relate to places, and asks how our understanding of the world around us affects our psychology and behaviour.

The way we think about physical space has been crucial to our evolution: the ability to navigate over large distances in prehistoric times gave Homo sapiens an advantage over the rest of the human family. Children are instinctive explorers, developing a spatial understanding as they roam. And yet today few of us make use of the wayfaring skills that we inherited from our nomadic ancestors. Most of us have little idea what we may be losing.

Bond seeks an answer to the question of why some of us are so much better at finding our way than others. He also tackles the controversial subject of sex differences in navigation, and finally tries to understand why being lost can be such a devastating psychological experience.

For readers of writers as different as Robert Macfarlane and Oliver Sacks, Wayfinding is a book that can change our sense of ourselves.

How Einstein Created Relativity out of Physics and Astronomy (Hardcover, 2013 ed.): David Topper How Einstein Created Relativity out of Physics and Astronomy (Hardcover, 2013 ed.)
David Topper
R3,371 Discovery Miles 33 710 Ships in 10 - 15 working days

This book tracks the history of the theory of relativity through Einstein's life, with in-depth studies of its background as built upon by ideas from earlier scientists. The focus points of Einstein's theory of relativity include its development throughout his life; the origins of his ideas and his indebtedness to the earlier works of Galileo, Newton, Faraday, Mach and others; the application of the theory to the birth of modern cosmology; and his quest for a unified field theory. Treading a fine line between the popular and technical (but not shying away from the occasional equation), this book explains the entire range of relativity and weaves an up-to-date biography of Einstein throughout. The result is an explanation of the world of relativity, based on an extensive journey into earlier physics and a simultaneous voyage into the mind of Einstein, written for the curious and intelligent reader.

Forensics - The Science Behind the Deaths of Famous People (Hardcover): Harry A Milman Forensics - The Science Behind the Deaths of Famous People (Hardcover)
Harry A Milman
R781 Discovery Miles 7 810 Ships in 10 - 15 working days
You Are The Placebo - Making Your Mind Matter (Paperback): Joe Dispenza You Are The Placebo - Making Your Mind Matter (Paperback)
Joe Dispenza 2
R460 R425 Discovery Miles 4 250 Save R35 (8%) Ships in 5 - 10 working days

Is it possible to heal by thought alone? Rethink your old beliefs and use the power of your mind to kickstart personal transformation. Throughout history, many cultures have experienced the effects of verifiable healings, along with hexes, curses, witchcraft, voodoo and other mysterious phenomena. These effects - many of which were elicited by unscientific means - were brought about by the beliefs and lore of the society. Even today, pharmaceutical companies use double- and triple-blind randomized studies in an attempt to exclude of the power of the mind over the body. In You Are the Placebo, Dr Joe Dispenza explores the history, the science and the practical applications of the so-called placebo effect. The many amazing cases studies will empower you to personally use 'the expectation of a particular outcome' to alter your internal states - as well as external reality - solely through the action of your mind. This book offers the necessary understandings to change old beliefs into new perceptions and teaches a model of personal transformation that correlates with the placebo effect, without the need for any external influences.

The Wonder of Genetics - The Creepy, the Curious, and the Commonplace (Hardcover): Richard Knowles The Wonder of Genetics - The Creepy, the Curious, and the Commonplace (Hardcover)
Richard Knowles
R577 Discovery Miles 5 770 Ships in 18 - 22 working days

This is a superbly written and engaging journey into the fascinating world of genetics. Why are some of us male and others female? What makes us short or tall, blond or brunette, light-skinned or dark? What causes defects in our biochemistry that lead to debilitating illnesses and physical or other handicaps? The answer is genetics. Written by a highly respected geneticist, "The Wonder of Genetics" provides readers with a refreshingly clear overview of this seemingly complex but incredibly diverse and fascinating area of science. This volume also debunks many of the most commonly-held myths surrounding genetics, and examines how the science of genetics has the potential for improving human civilization.

The Pythagorean Theorem - The Story of Its Power and Beauty (Hardcover): Alfred S. Posamentier The Pythagorean Theorem - The Story of Its Power and Beauty (Hardcover)
Alfred S. Posamentier; Afterword by Herbert A. Hauptman
R621 Discovery Miles 6 210 Ships in 18 - 22 working days

The Pythagorean theorem may be the best-known equation in mathematics. Its origins reach back to the beginnings of civilization, and today every student continues to study it. What most nonmathematicians don't understand or appreciate is why this simply stated theorem has fascinated countless generations. In this entertaining and informative book, a veteran math educator makes the importance of the Pythagorean theorem delightfully clear.
He begins with a brief history of Pythagoras and the early use of his theorem by the ancient Egyptians, Babylonians, Indians, and Chinese, who used it intuitively long before Pythagoras's name was attached to it. He then shows the many ingenious ways in which the theorem has been proved visually using highly imaginative diagrams. Some of these go back to ancient mathematicians; others are comparatively recent proofs, including one by the twentieth president of the United States, James A. Garfield.
After demonstrating some curious applications of the theorem, the author then explores the Pythagorean triples, pointing out the many hidden surprises of the three numbers that can represent the sides of the right triangle (e.g, 3, 4, 5 and 5, 12, 13). And many will truly amaze the reader. He then turns to the "Pythagorean means" (the arithmetic, geometric, and harmonic means). By comparing their magnitudes in a variety of ways, he gives the reader a true appreciation for these mathematical concepts.
The final two chapters view the Pythagorean theorem from an artistic point of view - namely, how Pythagoras's work manifests itself in music and how the Pythagorean theorem can influence fractals.
The author's lucid presentation and gift for conveying the significance of this key equation to those with little math background will inform, entertain, and inspire the reader, once again demonstrating the power and beauty of mathematics

Relics of Eden - The Powerful Evidence of Evolution in Human DNA (Paperback): Daniel J Fairbanks Relics of Eden - The Powerful Evidence of Evolution in Human DNA (Paperback)
Daniel J Fairbanks
R508 Discovery Miles 5 080 Ships in 18 - 22 working days

Since the publication in 1859 of Darwin's Origin of Species, debate over the theory of evolution has been continuous and often impassioned. In recent years, opponents of "Darwin's dangerous idea" have mounted history's most sophisticated and generously funded attack, claiming that evolution is "a theory in crisis." Ironically, these claims are being made at a time when the explosion of information from genome projects has revealed the most compelling and overwhelming evidence of evolution ever discovered. Much of the latest evidence of human evolution comes not from our genes, but from so-called "junk DNA," leftover relics of our evolutionary history that make up the vast majority of our DNA.
Relics of Eden explores this powerful DNA-based evidence of human evolution. The "relics" are the millions of functionally useless but scientifically informative remnants of our evolutionary ancestry trapped in the DNA of every person on the planet. For example, the analysis of the chimpanzee and Rhesus monkey genomes shows indisputable evidence of the human evolutionary relationship with other primates. Over 95 percent of our genome is identical with that of chimpanzees and we also have a good deal in common with other animal species.
Author Daniel J. Fairbanks also discusses what DNA analysis reveals about where humans originated. The diversity of DNA sequences repeatedly confirms the archeological evidence that humans originated in sub-Saharan Africa (the "Eden" of the title) and from there migrated through the Middle East and Asia to Europe, Australia, and the Americas. In conclusion, Fairbanks confronts the supposed dichotomy between evolution and religion, arguing that both science and religion are complementary ways to seek truth. He appeals to the vast majority of Americans who hold religious convictions not to be fooled by the pseudoscience of Creationists and Intelligent Design advocates and to abandon the false dichotomy between religion and real science.
This concise, very readable presentation of recent genetic research is completely accessible to the nonspecialist and makes for enlightening and fascinating reading.

Darwin Meets Einstein - On the Meaning of Science (Paperback): Frans Saris Darwin Meets Einstein - On the Meaning of Science (Paperback)
Frans Saris
R1,203 Discovery Miles 12 030 Ships in 10 - 15 working days

In contrast to physicists, biologists already have the Theory of Everything. This is one of the underlying messages that physicist and author Frans W. Saris expresses in a collection of his essays, columns, diaries, and a play, published for the past twenty-five years in Dutch newspapers, journals and books. In the physics of Einstein, Bohr, Teller, Weinberg, B. Manfred Ullrich and the biology of Darwin, Tinbergen and De Waal, this witty and searching book explores in many dimensions the question: Why Science? Frans W. Saris argues that in our postmodern times we have lost the meaning of science and he puts science in an evolutionary perspective: science is not in the interest of intellectual or commercial competition, not for creating wealth, not even for fun. It is essential for our survival, the survival of humans, and the survival of life itself. Frans Saris in the Media: NRC Handelsblad van 02 december 2010. Delta (Weekblad van TU Delft) van 17 december 2009. RTL Nieuws van 24 november 2009. RTV Noord-Holland van 24 november 2009. BNR Duurzaam van 25 november 2009. Radio 1, Feiten en Fillet, Belgie. Luister hier naar het audio fragment. Hoe?Zo! Radio van 27 november 2009. Trouw van 27 november 2009. de Volkskrant van zaterdag 21 november 2009. De Morgen van 27 november 2009.

Origins and Foundations of Computing - In Cooperation with Heinz Nixdorf MuseumsForum (Hardcover, 2010 ed.): Heinz Nixdorf... Origins and Foundations of Computing - In Cooperation with Heinz Nixdorf MuseumsForum (Hardcover, 2010 ed.)
Heinz Nixdorf Museums Forum; Friedrich L. Bauer
R847 R736 Discovery Miles 7 360 Save R111 (13%) Ships in 18 - 22 working days

The Heinz Nixdorf Museum Forum (HNF) is the world's largest c- puter museum and is dedicated to portraying the past, present and future of information technology. In the "Year of Informatics 2006" the HNF was particularly keen to examine the history of this still quite young discipline. The short-lived nature of information technologies means that individuals, inventions, devices, institutes and companies"age" more rapidly than in many other specialties. And in the nature of things the group of computer pioneers from the early days is growing smaller all the time. To supplement a planned new exhibit on "Software and Inform- ics" at the HNF, the idea arose of recording the history of informatics in an accompanying publication. Mysearchforsuitablesourcesandauthorsveryquickly cameupwith the right answer, the very rst name in Germany: Friedrich L. Bauer, Professor Emeritus of Mathematics at the TU in Munich, one of the - thers of informatics in Germany and for decades the indefatigable author of the"Historical Notes" column of the journal Informatik Spektrum. Friedrich L. Bauer was already the author of two works on the history of informatics, published in different decades and in different books. Both of them are notable for their knowledgeable, extremely comp- hensive and yet compact style. My obvious course was to motivate this author to amalgamate, supplement and illustrate his previous work.

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